No Makefile to build after cmake

asked 2016-03-02 03:32:08 -0600

lianguage
6 ●1 ●1 ●3

Hi Guys

Sorry if this has been discussed before, but I can't find any info on it. I'm having trouble installing cmake to ubuntu 14.04

I've tried cloning from the github repo and downloading the zip directly from the cmake homepage.

My cmake version is:2.8.12.2 The version of OpenCV downloaded is: 3.1.0

The error is that when I follow the steps to install it, the directory that cmake builds to does not contain a makefile, and so running the 'make' command does not work. returning an error:

make: * No targets specified and no makefile found. Stop.

Any clues as to why this is the case?

Thanks!

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do you have trouble building cmake or opencv ?

berak ( 2016-03-02 03:40:37 -0600 )edit

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answered 2016-03-02 03:44:12 -0600

strann
240 ●3 ●11

There should be no problems. Try following

sudo apt-get install -y unzip wget
wget https://github.com/Itseez/opencv/archive/master.zip
unzip master.zip
rm master.zip

cd opencv-master
mkdir build
cd build
cmake ..
make -j4
sudo make install
sudo ldconfig

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Wow that worked... what the heck? I was following a guide from: http://docs.opencv.org/2.4/doc/tutori... When I cloned from the git link provided in the guide, it did not build the way it did with your link...

Thanks so much! (currently building :D)

lianguage ( 2016-03-03 02:36:30 -0600 )edit

dude, installing opencv master didn't solve my problem though! I'm trying to add surf and sift feature extractions from opencv contribution to opencv master but 'make' command still complains :

make *** no targets specified and no makefile found. stop.

Farid ( 2018-04-06 05:50:01 -0600 )edit

I am also still struggling with the above. Did you find a resolution?

Alexandrei ( 2019-02-14 22:43:58 -0600 )edit

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answered 2020-02-09 09:02:57 -0600

sp2546
1

change INSTALL_C_EXAMPLES=ON to INSTALL_C_EXAMPLES=OFF and then sudo apt-get install -y unzip wget wget https://github.com/Itseez/opencv/arch... unzip master.zip rm master.zip

cd opencv-master mkdir build cd build cmake .. make -j4 sudo make install sudo ldconfig

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itseez is dead

LBerger ( 2020-02-09 09:34:20 -0600 )edit

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No Makefile to build after cmake

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